Abstract:
:Reversion of adenine auxotrophic strains of D. radiodurans by cross-links in DNA was studied. Mutation was induced in a wild-type but not in a mitomycin C sensitive mutant after irradiation with near UV (approximately 365nm) in the presence of 4,5',8-trimethylpsoralen (TMP). To get information on implication of cross-links in the observed mutation, cells containing monoadducts in DNA were exposed to near UV in the absence of TMP. The mutation frequency of the wild-type increased with increasing the cross-links in DNA. These results suggest that structural defects after removal of cross-links in DNA induce mutation in D. radiodurans.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Yatagai F,Kitayama Sdoi
10.1016/0006-291x(83)91486-9subject
Has Abstractpub_date
1983-04-29 00:00:00pages
458-63issue
2eissn
0006-291Xissn
1090-2104pii
0006-291X(83)91486-9journal_volume
112pub_type
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